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Analysis
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max time kernel
149s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
13/03/2024, 09:44
Static task
static1
Behavioral task
behavioral1
Sample
c58dd3d488f98f2f3a033cf1e5d08dd9.ps1
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
c58dd3d488f98f2f3a033cf1e5d08dd9.ps1
Resource
win10v2004-20240226-en
General
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Target
c58dd3d488f98f2f3a033cf1e5d08dd9.ps1
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Size
534KB
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MD5
c58dd3d488f98f2f3a033cf1e5d08dd9
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SHA1
9df35cfaa2e8030561eb7bf9a614a0479844fec9
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SHA256
4a19ce649f5056cc58e8facde71ef49d442c28fd308be131ecaa64ca1af93274
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SHA512
c4448568f6e43afdd0d98ef01af870fdb8969a85691994c55b4308b48f353bb205f2ffe8f3b194b0b1dba3f7c735fd93431bb7edbdc3899a458237c43d38e345
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SSDEEP
12288:hpK5q6LiSSGEjVZ266IQrXUhCuWG/O4TNVQu:hYbubOM
Malware Config
Extracted
agenttesla
http://180.214.239.67/k/p3c/inc/e8cc68c0649f72.php
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla payload 1 IoCs
resource yara_rule behavioral2/memory/3044-14-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\system32\drivers\etc\hosts aspnet_compiler.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 aspnet_compiler.exe Key opened \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 aspnet_compiler.exe Key opened \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 aspnet_compiler.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 532 set thread context of 3044 532 powershell.exe 91 -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 532 powershell.exe 532 powershell.exe 3044 aspnet_compiler.exe 3044 aspnet_compiler.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 532 powershell.exe Token: SeDebugPrivilege 3044 aspnet_compiler.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3044 aspnet_compiler.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 532 wrote to memory of 3044 532 powershell.exe 91 PID 532 wrote to memory of 3044 532 powershell.exe 91 PID 532 wrote to memory of 3044 532 powershell.exe 91 PID 532 wrote to memory of 3044 532 powershell.exe 91 PID 532 wrote to memory of 3044 532 powershell.exe 91 PID 532 wrote to memory of 3044 532 powershell.exe 91 PID 532 wrote to memory of 3044 532 powershell.exe 91 PID 532 wrote to memory of 3044 532 powershell.exe 91 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 aspnet_compiler.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 aspnet_compiler.exe
Processes
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\c58dd3d488f98f2f3a033cf1e5d08dd9.ps11⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:532 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe#cmd2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:3044
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82